EASY
Earn 100
Explain the arrangement and cell wall thickening of lacunar collenchyma.
Important Questions on Structural Organisation in Plants
EASY
Select the correct combination?
(i) Fruit wall of nuts
(ii) Pulp of fruit like guava and pear
(iii) Seed coat of legumes
(iv) Micropyle of pea
MEDIUM
Identify and in the given diagram of shoot apical meristem ?
EASY
Which of the following statement is correct?
EASY
Which of the following plants tissues cannot be used as explant in tissue culture?
EASY
A chilly plant was severely infected with Chilly Mosaic Virus (CMV). Identify the technique that helps to raise virus free plants in the next generation from the above virus infected plant.
EASY
Tracheids differ from the tracheary elements in:
EASY
Which is the living mechanical tissue in plants?
EASY
The balloon-shaped structures called tyloses
EASY
Write the characteristics of Collenchyma.
MEDIUM
Identify the plant in which the tangential walls of collocytes are excessively thickened but radial walls are thin.
MEDIUM
Distinguish between collenchyma and sclerenchyma.
EASY
The collenchyma without intercellular spaces and having thickening at the angles is called as
HARD
These cells provide flexibility and elasticity besides helping the tender plant parts in facing stress and strain:
EASY
The stem of sunflower shows ____
EASY
A simple tissue with mechanical and physiological functions in a young dicotyledonous plant is
EASY
Collenchyma tissue is characterized by
EASY
Select the correct feature(s) from (a) to (d) with respect to collenchyma tissue
(a) Living mechanical tissue
(b) Assimilate food when they contain chloroplast
(c) Characterized by the presence of thick lignified cell wall
(d) Present below the epidermis in most of the monocotyledonous plants
EASY
Identify the plant tissue in which lignin is absent
EASY
Thickenings in collenchyma is mainly due to deposition of -
